Mayu Tomita became a household name after she starred in an online series in 2011 called Secret Girls in which she and 4 other young Japanese women show their "normal junior high school girls lives but also lead secret lives as J-Pop stars." She began performing live after that.

Tomita also alerted the authorities about Tomohiro Iwazaki who was stalking her earlier this month. Iwazaki was harassing her on Twitter and her blog about a present he sent her that she allegedly returned to him upon receiving. Iwazaki allegedly admitted the crime of stabbing Tomita who is still unconscoius.